package com.byb.server.web.rest;

import com.codahale.metrics.annotation.Timed;
import com.byb.server.service.DieService;
import com.byb.server.web.rest.util.HeaderUtil;
import com.byb.server.web.rest.util.PaginationUtil;
import com.byb.server.service.dto.DieDTO;
import io.swagger.annotations.ApiParam;
import io.github.jhipster.web.util.ResponseUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.net.URI;
import java.net.URISyntaxException;

import java.util.List;
import java.util.Optional;
import java.util.stream.StreamSupport;

import static org.elasticsearch.index.query.QueryBuilders.*;

/**
 * REST controller for managing Die.
 */
@RestController
@RequestMapping("/api")
public class DieResource {

    private final Logger log = LoggerFactory.getLogger(DieResource.class);

    private static final String ENTITY_NAME = "die";

    private final DieService dieService;

    public DieResource(DieService dieService) {
        this.dieService = dieService;
    }

    /**
     * POST  /dice : Create a new die.
     *
     * @param dieDTO the dieDTO to create
     * @return the ResponseEntity with status 201 (Created) and with body the new dieDTO, or with status 400 (Bad Request) if the die has already an ID
     * @throws URISyntaxException if the Location URI syntax is incorrect
     */
    @PostMapping("/dice")
    @Timed
    public ResponseEntity<DieDTO> createDie(@RequestBody DieDTO dieDTO) throws URISyntaxException {
        log.debug("REST request to save Die : {}", dieDTO);
        if (dieDTO.getId() != null) {
            return ResponseEntity.badRequest().headers(HeaderUtil.createFailureAlert(ENTITY_NAME, "idexists", "A new die cannot already have an ID")).body(null);
        }
        DieDTO result = dieService.save(dieDTO);
        return ResponseEntity.created(new URI("/api/dice/" + result.getId()))
            .headers(HeaderUtil.createEntityCreationAlert(ENTITY_NAME, result.getId().toString()))
            .body(result);
    }

    /**
     * PUT  /dice : Updates an existing die.
     *
     * @param dieDTO the dieDTO to update
     * @return the ResponseEntity with status 200 (OK) and with body the updated dieDTO,
     * or with status 400 (Bad Request) if the dieDTO is not valid,
     * or with status 500 (Internal Server Error) if the dieDTO couldn't be updated
     * @throws URISyntaxException if the Location URI syntax is incorrect
     */
    @PutMapping("/dice")
    @Timed
    public ResponseEntity<DieDTO> updateDie(@RequestBody DieDTO dieDTO) throws URISyntaxException {
        log.debug("REST request to update Die : {}", dieDTO);
        if (dieDTO.getId() == null) {
            return createDie(dieDTO);
        }
        DieDTO result = dieService.save(dieDTO);
        return ResponseEntity.ok()
            .headers(HeaderUtil.createEntityUpdateAlert(ENTITY_NAME, dieDTO.getId().toString()))
            .body(result);
    }

    /**
     * GET  /dice : get all the dice.
     *
     * @param pageable the pagination information
     * @return the ResponseEntity with status 200 (OK) and the list of dice in body
     */
    @GetMapping("/dice")
    @Timed
    public ResponseEntity<List<DieDTO>> getAllDice(@ApiParam Pageable pageable) {
        log.debug("REST request to get a page of Dice");
        Page<DieDTO> page = dieService.findAll(pageable);
        HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/dice");
        return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
    }

    /**
     * GET  /dice/:id : get the "id" die.
     *
     * @param id the id of the dieDTO to retrieve
     * @return the ResponseEntity with status 200 (OK) and with body the dieDTO, or with status 404 (Not Found)
     */
    @GetMapping("/dice/{id}")
    @Timed
    public ResponseEntity<DieDTO> getDie(@PathVariable Long id) {
        log.debug("REST request to get Die : {}", id);
        DieDTO dieDTO = dieService.findOne(id);
        return ResponseUtil.wrapOrNotFound(Optional.ofNullable(dieDTO));
    }

    /**
     * DELETE  /dice/:id : delete the "id" die.
     *
     * @param id the id of the dieDTO to delete
     * @return the ResponseEntity with status 200 (OK)
     */
    @DeleteMapping("/dice/{id}")
    @Timed
    public ResponseEntity<Void> deleteDie(@PathVariable Long id) {
        log.debug("REST request to delete Die : {}", id);
        dieService.delete(id);
        return ResponseEntity.ok().headers(HeaderUtil.createEntityDeletionAlert(ENTITY_NAME, id.toString())).build();
    }

    /**
     * SEARCH  /_search/dice?query=:query : search for the die corresponding
     * to the query.
     *
     * @param query the query of the die search
     * @param pageable the pagination information
     * @return the result of the search
     */
    @GetMapping("/_search/dice")
    @Timed
    public ResponseEntity<List<DieDTO>> searchDice(@RequestParam String query, @ApiParam Pageable pageable) {
        log.debug("REST request to search for a page of Dice for query {}", query);
        Page<DieDTO> page = dieService.search(query, pageable);
        HttpHeaders headers = PaginationUtil.generateSearchPaginationHttpHeaders(query, page, "/api/_search/dice");
        return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
    }

}
